Eddy Current Non-Destructive Evaluation for Healthiness of Radiator Structure

被引:2
|
作者
Nagata, Shoichiro [1 ]
Numachi, Masaaki [1 ]
机构
[1] Univ Miyazaki, Dept Elect & Syst Engn, Miyazaki 8892192, Japan
关键词
Multi-frequency excitation and spectrogram (MFES) method; non-destructive evaluation; radiator cooling fin;
D O I
10.1109/TMAG.2017.2696030
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
This paper presents a non-destructive evaluation study on a radiator with cooling fins as a kind of complex shaped specimen. An eddy current testing method, namely multi-frequency excitation and spectrogram method, was employed to detect a removal of radiator cooling fin. Experimental results brought remarkable signal when a fin was removed. Furthermore, the authors discuss the relation between the fin signal and specimen thickness, and concludes the availability for the estimation of thickness of radiator structures.
引用
收藏
页数:4
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